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Nutrition et santé mentale

Dopamine

Neurotransmitter synthesized from dietary tyrosine, involved in motivation and pleasure.

Definition

Neurotransmitter produced from the amino acid tyrosine, responsible for motivation, pleasure, concentration, and reward.

How it works

Dopamine is not produced in the gut but is regulated by nutrition and the gut-brain axis. Its synthesis depends on dietary tyrosine, available in proteins. It controls motivation, concentration, energy, and a sense of reward. A dopamine deficit is linked to depression, ADHD, and chronic fatigue.

Role

Regulates motivation, concentration, pleasure, reward, and sleep-wake cycles.

Examples

  • Lean proteins for tyrosine
  • Dark chocolate rich in phenethylamine
  • Avocado and banana
  • Cardiovascular exercise
  • Ultra-sweet foods (excessive dopamine)

Recommendations

Ensure sufficient protein intake at each meal to maintain tyrosine levels. Limit ultra-processed and fast-sugar foods causing dopamine highs and lows. Engage in exercise, particularly interval training, for natural dopamine boosts.

Key takeaway

Optimizing dopamine requires balance: avoid excessive stimulation while ensuring stable biological motivation.

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